def get_formatted_name(first, last):
	"""生成整洁的姓名"""
	full_name = f"{first} {last}"
	return full_name.title()

def get_formatted_name_new(first, middle, last):
	"""生成整洁的姓名"""
	full_name = f"{first} {middle} {last}"
	return full_name.title()

def get_formatted_name_final(first, last, middle=''):
	"""生成整洁的姓名"""
	if middle:
		full_name = f"{first} {middle} {last}"
	else:
		full_name = f"{first} {last}"
	return full_name.title()